The Brallier Formation shale is a Devonian-aged turbidite sequence shed off the Acadian orogeny. This sample was collected from an outcrop on new New Route 55, just west of Moorefield, WV.
The Brallier Formation can be seen in this image by Alan Pitts: http://gigapan.org/gigapans/97256
Image made as part of the MAGIC project (Mid-Atlantic Geo-Imagery Collection) using Northern Virginia Community College's gigamacro rig, as seen here:
http://gigamacro.com/gigapixel-macro-imaging-system/